BAGBITER 1. n. Equipment or program that fails, usually intermittently. 2. BAGBITING: adj. Failing hardware or software. "This bagbiting system won't let me get out of spacewar." Usage: verges on obscenity. Grammatically separable; one may speak of "biting the bag". Synonyms: LOSER, LOSING, CRETINOUS, BLETCHEROUS, BARFUCIOUS, CHOMPER, CHOMPING.